$123 Cheap Flights from Bellingham (BLI) to Pasco (PSC)

View $123 flight on Sat, Oct 18, 2025Opens in a new window

Popular airlines from Bellingham, WA (BLI-Bellingham Intl.) to Tri-Cities Airport (PSC)

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Cheap Flights from Bellingham to Pasco (BLI-PSC)

Prices were available within the past 7 days and start at $123 for one-way flights and $203 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Sat, Sep 13 - Sat, Sep 20
BLI
Bellingham
PSC
Pasco
$203 Roundtrip, found 16 hours ago
$203
Roundtrip
found 16 hours ago
Select Alaska Airlines flight, departing Sat, Sep 13 from Bellingham to Pasco, returning Sat, Sep 20, priced at $203 found 16 hours ago
Alaska Airlines
Wed, Oct 8 - Sat, Oct 25
BLI
Bellingham
PSC
Pasco
$206 Roundtrip, found 4 days ago
$206
Roundtrip
found 4 days ago
Select Alaska Airlines flight, departing Wed, Oct 8 from Bellingham to Pasco, returning Sat, Oct 25, priced at $206 found 4 days ago
Alaska Airlines
Sat, Sep 27 - Tue, Sep 30
BLI
Bellingham
PSC
Pasco
$212 Roundtrip, found 6 days ago
$212
Roundtrip
found 6 days ago
Select Alaska Airlines flight, departing Sat, Sep 27 from Bellingham to Pasco, returning Tue, Sep 30, priced at $212 found 6 days ago
Hawaiian Airlines
Sat, Sep 13 - Sat, Sep 27
BLI
Bellingham
PSC
Pasco
$214 Roundtrip, found 4 days ago
$214
Roundtrip
found 4 days ago
Select Hawaiian Airlines flight, departing Sat, Sep 13 from Bellingham to Pasco, returning Sat, Sep 27, priced at $214 found 4 days ago
Alaska Airlines
Sat, Sep 13 - Sat, Sep 27
BLI
Bellingham
PSC
Pasco
$215 Roundtrip, found 4 days ago
$215
Roundtrip
found 4 days ago
Select Alaska Airlines flight, departing Sat, Sep 13 from Bellingham to Pasco, returning Sat, Sep 27, priced at $215 found 4 days ago
Hawaiian Airlines
Wed, Oct 22 - Sat, Nov 8
BLI
Bellingham
PSC
Pasco
$222 Roundtrip, found 4 days ago
$222
Roundtrip
found 4 days ago
Select Hawaiian Airlines flight, departing Wed, Oct 22 from Bellingham to Pasco, returning Sat, Nov 8, priced at $222 found 4 days ago
Hawaiian Airlines
Wed, Sep 24 - Fri, Oct 10
BLI
Bellingham
PSC
Pasco
$224 Roundtrip, found 4 days ago
$224
Roundtrip
found 4 days ago
Select Hawaiian Airlines flight, departing Wed, Sep 24 from Bellingham to Pasco, returning Fri, Oct 10, priced at $224 found 4 days ago
Alaska Airlines
Sat, Sep 13 - Fri, Sep 26
BLI
Bellingham
PSC
Pasco
$225 Roundtrip, found 4 days ago
$225
Roundtrip
found 4 days ago
Select Alaska Airlines flight, departing Sat, Sep 13 from Bellingham to Pasco, returning Fri, Sep 26, priced at $225 found 4 days ago
Hawaiian Airlines
Wed, Sep 24 - Thu, Oct 9
BLI
Bellingham
PSC
Pasco
$227 Roundtrip, found 4 days ago
$227
Roundtrip
found 4 days ago
Select Hawaiian Airlines flight, departing Wed, Sep 24 from Bellingham to Pasco, returning Thu, Oct 9, priced at $227 found 4 days ago
American Airlines
Wed, Aug 20 - Wed, Aug 27
BLI
Bellingham
PSC
Pasco
$1,634 Roundtrip, found 23 hours ago
$1,634
Roundtrip
found 23 hours ago
Select American Airlines flight, departing Wed, Aug 20 from Bellingham to Pasco, returning Wed, Aug 27, priced at $1,634 found 23 hours ago

Alternative airports near Pasco

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Tri-Cities PSC. Cheapest and Closest option available. Average driving time to city center is 4 minutes. Flights from $376
PSC
Tri-Cities
CheapestClosest
Average driving time to city center4 min
Flights from $376
Flights from Bellingham (BLI) to Pasco (PSC)
Origin airport
Bellingham Intl.
Destination airport
Tri-Cities
Airlines serving
Alaska Airlines, American Airlines, Hawaiian Airlines
Roundtrip price
$202
Distance
236 mi

Bellingham to Pasco Flights

The cheapest times to fly from Bellingham to Pasco

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Bellingham to Pasco are during the month of September. You can find some of the cheapest flights from Bellingham to Pasco with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Bellingham to Pasco

Sunday is one of the best days to book for cheap flights from Bellingham to Pasco: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Bellingham to Pasco

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Bellingham to Pasco in 2025. You can also book with separate airlines for your outbound and return journeys, from $123 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Bellingham to Pasco flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Bellingham to Pasco airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Bellingham Intl. Airport (BLI) to Tri-Cities Airport (PSC) cost?
Lock in a cheap one-way flight from $123 or cheap return flight from $203 from Bellingham Intl. Airport (BLI) to Tri-Cities Airport (PSC) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from Bellingham Intl. Airport (BLI) to Tri-Cities Airport (PSC)?
September is the most affordable month to fly from BLI to PSC. Traveling during an off-peak travel window is often the key to finding a great deal.
What is the cheapest airline that flies from Bellingham Intl. Airport (BLI) to Tri-Cities Airport (PSC)?
Expedia's filter tool lets you easily compare airlines, flight times and fares all in one place. Select your preferences, then sort by "Price (lowest to highest)" to see which carrier offers the cheapest BLI to PSC flight.
How many flights per day from Bellingham Intl. Airport (BLI) to Tri-Cities Airport (PSC)?
You'll have to take a flight with a layover if you're traveling from Bellingham Intl. Airport (BLI) to Tri-Cities Airport (PSC). Direct flights don't operate daily on this route. However, simply filter your search to include one or two stops to discover an option that works for you.
What day of the week has the most flights from BLI to PSC?
You'll usually find Tuesday the quietest day for flights, while Fridays are often the busiest.* However this can change from season to season and during peak travel times or public holidays.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Bellingham Intl. Airport (BLI) to Tri-Cities Airport (PSC)?
Choose a flight from Bellingham Intl. Airport (BLI) to Tri-Cities Airport (PSC) that takes off before 3 PM to reduce the risk of cancellations and delays. Departures later than this are on average 22% more likely to be canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Bellingham Intl. Airport (BLI) to Tri-Cities Airport (PSC) last-minute?
Booking your ticket from BLI to PSC right before your getaway is usually more expensive. But if there's some wiggle room with your departure times and dates, you could land a cheap last-minute fare.
Is it cheaper to book a BLI to PSC flight and hotel package?
Opting for a BLI to PSC flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels in one place. Select from our extensive range of accommodations and then add activities, flights and car rentals to your booking. Bundle it all together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Bellingham Intl. Airport (BLI) to Tri-Cities Airport (PSC)?
It's usually possible to reschedule or cancel your BLI to PSC flight. However, if it's been more than 24 hours since booking, additional fees may apply. Check your airline's policies in your itinerary to see what changes are allowed and if any costs are involved. You'll also find more information on our Customer Service portal.

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*Available to One Key members.